<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table border="1" cellspacing="0" width="500px">
<tr align="center">
    <td content="2">班级</td>
    <td content="2">姓名</td>
    <td content="2">年龄</td>
    <td content="2">电话</td>
</tr>
    <tr align="center">
        <td rowspan="2">601班</td>
        <td >jack</td>
        <td >ton</td>
        <td >1351234567</td>
    </tr>
    <tr align="center">
        <td >ton</td>
        <td >22</td>
        <td >1351234567</td>
    </tr>


    <tr align="center">
        <td rowspan="3">602班</td>
        <td >rose</td>
        <td >22</td>
        <td >1351234567</td>
    </tr>
    <tr align="center">
        <td >张三</td>
        <td >25</td>
        <td >1351234567</td>
    </tr>
    <tr align="center">
        <td >李四</td>
        <td >25</td>
        <td >1351234567</td>
    </tr>
</table>
</body>
</html>